103 lines
14 KiB
XML
103 lines
14 KiB
XML
<document id="39E76038705C18A91CCC41782E6989A8" ENCODING="UTF-8" ID-GBIF-Dataset="5a45026c-5bb7-42d6-8fb7-cc9f48578928" ModsDocID="z00851p001" checkinTime="1248864409888" checkinUser="thomas" docAuthor="Heok Hee Ng & Kelvin K. P. Lim" docDate="2005" docId="C5F7948E96F66C7254E6C0F894F564C4" docLanguage="en" docName="2005_Ng_Lim_gg1.xml" docOrigin="Zootaxa 851" docSource="http://www.zoobank.org/urn:lsid:zoobank.org:pub:02BCB677-51EC-45E2-9323-F8EF59D32B7A" docTitle="Pseudomystus" docType="treatment" docVersion="12" lastPageNumber="15" masterDocId="4AD55442C251E0556A018E95D28C8DC4" masterDocTitle="The identity of Pseudomystus moeschii (Boulenger, 1890), with the description of two new species of bagrid catfishes from Southeast Asia (Teleostei: Bagridae)." masterLastPageNumber="18" masterPageNumber="1" pageNumber="14" updateTime="1701314105274" updateUser="plazi">
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<mods:titleInfo id="B734A06BF9DAB26517E35800813DFDFD">
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<mods:title id="A23284544105468E209A0B604EE1DF31">The identity of Pseudomystus moeschii (Boulenger, 1890), with the description of two new species of bagrid catfishes from Southeast Asia (Teleostei: Bagridae).</mods:title>
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<mods:namePart id="B2250E9AA5ACF2DDFDE2DC74764EAC82">Heok Hee Ng</mods:namePart>
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<mods:roleTerm id="14FDB733DCD279A8DE5DB75423DFA464">Author</mods:roleTerm>
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<mods:namePart id="44E982EB079CD36F7F9D84844F49D423">Kelvin K. P. Lim</mods:namePart>
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<mods:typeOfResource id="D1197F318B75292B29E6569B4505BE96">text</mods:typeOfResource>
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<mods:title id="161EEEA3D842153BA03DCBF8EE0AAD79">Zootaxa</mods:title>
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<mods:part id="CF3E284A0BC6588288459BA6D41494DE">
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<mods:date id="0D01E08B4E560C0430898052DEE81CA8">2005</mods:date>
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<mods:number id="0398214015EE5DE0855F188F53FBF119">851</mods:number>
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<mods:classification id="2C79A789C060DAC085D3611F069A29F4">journal article</mods:classification>
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<mods:identifier id="92F6C3263B5909738BFD3F550004C227" type="Plazi-Custom">z00851p001</mods:identifier>
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<treatment id="C5F7948E96F66C7254E6C0F894F564C4" ID-DOI="http://doi.org/10.5281/zenodo.6265740" ID-GBIF-Taxon="125136410" ID-Zenodo-Dep="6265740" LSID="urn:lsid:plazi:treatment:C5F7948E96F66C7254E6C0F894F564C4" httpUri="http://treatment.plazi.org/id/C5F7948E96F66C7254E6C0F894F564C4" lastPageNumber="15" pageNumber="14">
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<subSubSection id="BF3F26CD6E6DA912E0C4A20F306A66D7" type="nomenclature">
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<paragraph id="C2CEF6F478822686B21CEA993195B7C7" pageNumber="14">
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[[ Genus
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<taxonomicName id="54EC97F79C3D620D05CAE1478B80CACD" ID-CoL="72RM" ID-ENA="337636" LSID-ZBK="urn:lsid:zoobank.org:act:337ADD7E-D5EB-4861-8EC3-9F6C5D795DDA" family="Bagridae" genus="Pseudomystus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Pseudomystus Leiocassis Jayaram 1968:359" order="Siluriformes" pageNumber="14" phylum="Chordata" rank="genus">Pseudomystus</taxonomicName>
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]]
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</paragraph>
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</subSubSection>
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<subSubSection id="21B1F2508C7A1AEC6A5F24500606CD39" type="discussion">
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<paragraph id="180538663BA937FFB7ACC9C3853F5405" pageNumber="14">Discussion</paragraph>
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<paragraph id="7DFC0CFFFB2E7B9148386E564D1ADC33" pageNumber="14">
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<taxonomicName id="1FA064B2776A1E7DB595DBBC920F56EA" LSID-ZBK="urn:lsid:zoobank.org:act:FF1A6323-6992-4993-A168-86E63609905A" family="Bagridae" genus="Pseudomystus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Pseudomystus carnosus Ng & Lim 2005:7" order="Siluriformes" pageNumber="14" phylum="Chordata" rank="species" species="carnosus">Pseudomystus carnosus</taxonomicName>
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,
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<taxonomicName id="F918EB610160AB8C989D2F81E7FD3A58" LSID-ZBK="urn:lsid:zoobank.org:act:0B01CD1A-36CE-490E-99DF-A2BAFE541C84" family="Bagridae" genus="Pseudomystus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Pseudomystus fumosus Ng & Lim 2005:11" order="Siluriformes" pageNumber="14" phylum="Chordata" rank="species" species="fumosus">P. fumosus</taxonomicName>
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and
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<taxonomicName id="FD36F6B3D708B4180E91AB61602DD05C" family="Bagridae" genus="Pseudomystus" higherTaxonomySource="CoL" kingdom="Animalia" order="Siluriformes" pageNumber="14" phylum="Chordata" rank="species" species="moeschii">P. moeschii</taxonomicName>
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are hypothesized to form a monophyletic group based on their possession of an enlarged and prominent process of the post-temporal that is almost as long as the postcleithral process, which is considered a synapomorphy. The three species also possess long hair-like epithelial projections on the skin and long tubular extensions of the sensory pores. These two characters are shared with a clade comprising
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<taxonomicName id="D9644E935B4036F9041B98336772BBEB" LSID-ZBK="urn:lsid:zoobank.org:act:E074CAE0-620C-49BF-AC0D-087A54E43E1B" family="Bagridae" genus="Bagrichthys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Bagrichthys Bleeker 1857:473" order="Siluriformes" pageNumber="14" phylum="Chordata" rank="genus">Bagrichthys</taxonomicName>
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,
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<taxonomicName id="D80054B46E5FD2AA8733E447B573EE43" LSID-ZBK="urn:lsid:zoobank.org:act:29A988F1-3560-42D9-86D5-6D528CD100EE" family="Bagridae" genus="Bagroides" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Bagroides Bleeker 1851:204" order="Siluriformes" pageNumber="14" phylum="Chordata" rank="genus">Bagroides</taxonomicName>
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and
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<taxonomicName id="4210541A58721BC4A0F06651DE1784DB" LSID-ZBK="urn:lsid:zoobank.org:act:5014090B-7139-422C-9123-36D3E29F14F9" family="Bagridae" genus="Leiocassis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Leiocassis Bleeker 1857:473" order="Siluriformes" pageNumber="14" phylum="Chordata" rank="genus">Leiocassis</taxonomicName>
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, and have previously been considered synapomorphies for that clade (Mo, 1991). This raises the possibility that
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<taxonomicName id="E16001A3F61AB0A87830EDD95615491D" LSID-ZBK="urn:lsid:zoobank.org:act:337ADD7E-D5EB-4861-8EC3-9F6C5D795DDA" family="Bagridae" genus="Pseudomystus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Pseudomystus Leiocassis Jayaram 1968:359" order="Siluriformes" pageNumber="14" phylum="Chordata" rank="genus">Pseudomystus</taxonomicName>
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as currently understood may not be monophyletic. However, in the light of limited material and evidence available to us, we are unable to investigate this problem in greater depth for now.
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</paragraph>
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<paragraph id="84037698190DE380BE328A2BFBA7CADB" pageNumber="14">
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<taxonomicName id="A23B2E424D3C1375A607B0CE74644E95" family="Bagridae" genus="Pseudomystus" higherTaxonomySource="CoL" kingdom="Animalia" order="Siluriformes" pageNumber="14" phylum="Chordata" rank="species" species="moeschii">Pseudomystus moeschii</taxonomicName>
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was originally described from three syntypes (BMNH 1889.11.12.64-66; Boulenger, 1890: 39). Two of the syntypes (BMNH 1889.11.64-65) were found to belong to a different species, which was subsequently described as
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<taxonomicName id="87BDCF7E739F0E36E7F12C7AF13C0872" family="Bagridae" genus="Pseudomystus" higherTaxonomySource="CoL" kingdom="Animalia" order="Siluriformes" pageNumber="14" phylum="Chordata" rank="species" species="breviceps">Pseudomystus breviceps</taxonomicName>
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by Regan (1913). Our examination of all three syntypes of
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<taxonomicName id="A163CB5DE3A112B591A0FD9A29945D10" family="Bagridae" genus="Pseudomystus" higherTaxonomySource="CoL" kingdom="Animalia" order="Siluriformes" pageNumber="14" phylum="Chordata" rank="species" species="moeschii">P. moeschii</taxonomicName>
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indicate that
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<taxonomicName id="D03819BF04304E38A456954A9E90210A" family="Bagridae" genus="Pseudomystus" higherTaxonomySource="CoL" kingdom="Animalia" order="Siluriformes" pageNumber="14" phylum="Chordata" rank="species" species="breviceps">P. breviceps</taxonomicName>
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is a distinct species. Given that the type series of
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<taxonomicName id="E2F29CFA8D79EC9EC1EE13DE77781045" family="Bagridae" genus="Pseudomystus" higherTaxonomySource="CoL" kingdom="Animalia" order="Siluriformes" pageNumber="14" phylum="Chordata" rank="species" species="moeschii">P. moeschii</taxonomicName>
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consists of more than one species, it is necessary to designate a lectotype for
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<taxonomicName id="96C9F580E43F14F569C773ED8843F606" family="Bagridae" genus="Pseudomystus" higherTaxonomySource="CoL" kingdom="Animalia" order="Siluriformes" pageNumber="14" phylum="Chordata" rank="species" species="moeschii">Pseudomystus moeschii</taxonomicName>
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in order to stabilize the taxonomy of this species. Therefore, we hereby designate BMNH 1889.11.12.66 as the lectotype of
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<taxonomicName id="C0B2CE893FD66B498692CADC53483EC8" LSID-ZBK="urn:lsid:zoobank.org:act:29695577-A7E4-4935-85FA-671627D32E67" family="Bagridae" genus="Liocassis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Liocassis moeschii Boulenger 1890:39" order="Siluriformes" pageNumber="14" phylum="Chordata" rank="species" species="moeschii">Liocassis moeschii Boulenger, 1890</taxonomicName>
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.
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</paragraph>
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<paragraph id="8003ECC98BCAF0C54E0807F01716ECD3" pageNumber="15">
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The difference in the body depth between
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<taxonomicName id="9B79881A36235B07B37DDAE7396328A1" LSID-ZBK="urn:lsid:zoobank.org:act:FF1A6323-6992-4993-A168-86E63609905A" family="Bagridae" genus="Pseudomystus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Pseudomystus carnosus Ng & Lim 2005:7" order="Siluriformes" pageNumber="15" phylum="Chordata" rank="species" species="carnosus">P. carnosus</taxonomicName>
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and
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<taxonomicName id="699CB93B5B4D3BC3EE5EAB0BA032E5F9" LSID-ZBK="urn:lsid:zoobank.org:act:0B01CD1A-36CE-490E-99DF-A2BAFE541C84" family="Bagridae" genus="Pseudomystus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Pseudomystus fumosus Ng & Lim 2005:11" order="Siluriformes" pageNumber="15" phylum="Chordata" rank="species" species="fumosus">P. fumosus</taxonomicName>
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combined and
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<taxonomicName id="E591048900AA91ADD591C7D7CA0D56DD" family="Bagridae" genus="Pseudomystus" higherTaxonomySource="CoL" kingdom="Animalia" order="Siluriformes" pageNumber="15" phylum="Chordata" rank="species" species="moeschii">P. moeschii</taxonomicName>
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are not likely to be related to ontogeny, as a biplot of the body depth at anus against SL (Fig. 7) indicates. It can be argued that the state of the preservation and age of the specimens of
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<taxonomicName id="D1494ABF4EC39B9A10B33C13B66B252D" LSID-ZBK="urn:lsid:zoobank.org:act:FF1A6323-6992-4993-A168-86E63609905A" family="Bagridae" genus="Pseudomystus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Pseudomystus carnosus Ng & Lim 2005:7" order="Siluriformes" pageNumber="15" phylum="Chordata" rank="species" species="carnosus">P. carnosus</taxonomicName>
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available for study preclude any meaningful use of this biometric character as a diagnostic one. However, we note that
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<taxonomicName id="0615A8B8FC1B06EF6045EC7CEF37AC1E" LSID-ZBK="urn:lsid:zoobank.org:act:FF1A6323-6992-4993-A168-86E63609905A" family="Bagridae" genus="Pseudomystus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Pseudomystus carnosus Ng & Lim 2005:7" order="Siluriformes" pageNumber="15" phylum="Chordata" rank="species" species="carnosus">P. carnosus</taxonomicName>
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actually has a deeper body than either
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<taxonomicName id="54A40F3959ACD2557DB2EAEC447EAA65" LSID-ZBK="urn:lsid:zoobank.org:act:0B01CD1A-36CE-490E-99DF-A2BAFE541C84" family="Bagridae" genus="Pseudomystus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Pseudomystus fumosus Ng & Lim 2005:11" order="Siluriformes" pageNumber="15" phylum="Chordata" rank="species" species="fumosus">P. fumosus</taxonomicName>
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or
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<taxonomicName id="95579BBAB2047DAA5443270B0B3C2631" family="Bagridae" genus="Pseudomystus" higherTaxonomySource="CoL" kingdom="Animalia" order="Siluriformes" pageNumber="15" phylum="Chordata" rank="species" species="moeschii">P. moeschii</taxonomicName>
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, while the shrinkage typically associated with specimens that have been preserved for a long time would dictate that the older specimens(here
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<taxonomicName id="CA0DFB39EC09603993EFE57CF0547BE6" LSID-ZBK="urn:lsid:zoobank.org:act:FF1A6323-6992-4993-A168-86E63609905A" family="Bagridae" genus="Pseudomystus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Pseudomystus carnosus Ng & Lim 2005:7" order="Siluriformes" pageNumber="15" phylum="Chordata" rank="species" species="carnosus">P. carnosus</taxonomicName>
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) have a measurably slenderer body. Therefore, although the numbers of specimens examined are too small for any meaningful statistical analysis, we believe that these differences will hold up once more material is made available and studied. The three species can also be clearly distinguished by morphological differences other than biometrics (see diagnoses), which lead us to conclude their distinctiveness.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |